福建安溪云中山自然保护区植物区系地理研究

Floristic Study of Spermatophyte at Yunzhongshan Nature Reserve of Anxi County, Fujian Province

云中山自然保护区地处福建省安溪县西北部 ,位于南亚热带与中亚热带过渡地带 ,气候温暖 ,雨量充沛 ,种子植物成分丰富 .有 12 3科 46 1属 871种 (含种以下等级 ) .区系地理成分分析表明 ,云中山种子植物区系是典型的热带起源 ,热带成分占 5 8.6 % ,其中以泛热带成分最多 (占 2 2 .8% ) ,同时兼容了大量的温带成分 (占 19.7% ) .

Yunzhongshan Nature Reserve lies in the northwest of Anxi county, Fujian province. The climate is middle subtropical monsoon with rich rainfall and solar radiation. Excellent conditions made it abundant in species and complex in floristic elements. There are about 871 species of seed plants belonging to 123 families and 461 genera. The floristic analysis of geographic element indicated that the flora of Yunzhongshan Nature Reserve was derived typically from tropics, with this element of 58.6 percentage, and dominated by pan-tropic element ( 22.8%). Meanwhile, a large number of temperate elements ( 19.7%) established in this region.